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NITRO STAR F4.1 ENGINE WITH PULLSTART
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# 1408
4.1cc/Composite Slide Carb./New Port Timing/Rear Exhaust/Pullstart/Includes Air Cleaner and Glow Plug (R5)
Big Block Power for big trucks!
The HPI Nitro Star F4.1 is the next evolutionary step up from the proven HPI Nitro Star S25 engine. It features a new crankcase and upgrades to the cylinder, piston, connecting rod and crankshaft.

The F4.1 engine delivers more power, more torque and extra cooling. It is especially design for the high power needs of a big 1/8th scale monster truck!

Features:
  • Rear exhaust
  • ABC construction
  • Aggressive porting
  • Large, billet aluminium heatsink
  • Prepared for Roto System
  • Dual needle 7mm composite carb
  • Extra strong crank case
  • Purple anodised aluminium carb trim
Nitro Star F4.1
Engine Size: 4.1cm³ (0.25in³)
Brake Horse Power (BHP): 2.75
Exhaust Position: Rear
Starter: Pullstart (Op. Roto Start)
Compatible HPI Kits: All Savages
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Download PDF Instructions For #1408 (5.73 MB)
This option part will enhance the performance of your RC Car/Truck. Better handling, more control and faster lap times!
If you demand high top speeds or sharper acceleration, this option part is for you!

This part fits the following kits
Fits KitStandard PartOption PartAccessory
RTR Savage 25SpacerTickSpacer
Savage 21SpacerTickSpacer
Savage SSSpacerTickSpacer
RTR Savage 25 Limited Edition (3 Speed)SpacerTickSpacer
Savage ATV RTRSpacerTickSpacer
Savage XTickSpacerSpacer
Savage SS 4.6SpacerTickSpacer
Savage 3.5 RTRSpacerTickSpacer
ENGI, EN25
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